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MPEG-4 MPEG-4 / (View Dependent Application) MPEG-4
MPEG-1MPEG-2 VLBV (VLBVVery Low Bit Rate Video) 5-64kbits/s ( 352288 ) ( 15Hz)
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Email: tian@dr.com http://www.digia
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H.261 1.1 H.261 1.2 H.261 1.3 H.261
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1.2 H.261
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1.3 H.261 625 PAL 525NTSC CIF(Com
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CCIR601 ISO/MPEG-1 CCITT H.261 PAL
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CIFQCIF ISDN DCT 4 DCT
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• P=12 QCIF 64kbps 40kbps 16kb
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1.5 H.261
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8*8DCT DCT DCT
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DCT VLC DCT 31
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0-255
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1
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• BCH
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ITU-T SG151990 "ATM " B- ISDN ATM
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DCT " " "
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MPEG ( Moving Picture Expert Group
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2.1 MPEG-1 MPEG-1 MPEG-1 MP
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MPEG-1 SIF VHS CD MPEG-1 1/100-1
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MPEG-1 MPEG 1. VCD 0K 2.
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JPEG H261
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MPEG-1 1. MPEG-1 2. MPEG-1 3.
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MPEG SIF H.261 MPEG 16*16 8*8 DC
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MPEG-1 MPEG-1 Intra pictures
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IBBPBBPBBPBBPBBIBBPBBPBBPBBPBB M
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B 3. B B
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MPEG MPEG MPEG (interpel) (
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( ) DPCM MPEG ( DPCM/DCT )
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MPEG YUV ( ) Y:U:V ( MPEG-2 4:1:1
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(MPEG-lMPEG-2 1616 ) MPEG
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(NN ) 88 (DCT) DCT DCT VLSI
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DCT DPCM DCT DCT MPEG
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MPEG-1 MPEG-l(MPEG-2) MPEG-1 (I
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DCT 88 DCT 64DCT (Q) DCT (DC )
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(SZ) N (VB) (VLD) (QDCT-1 )
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MPEG MPEG MPEG
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MPEG 32kHz44.1kHz48kHz CDDAT PC
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MPEG / MPEG MPEG MPEG
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MPEG MPEG 96kbps CD MPEG-1
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Audio Layer I —— 32 Audio La
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MPEG-1
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Layer III;
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PCM MPEG-1
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2 12 1111 1111 1111 1 MPEG-1
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MPEG-1 MPEG-1
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" " MPEG-1 III III SMR III SMR
Page 92 and 93: I II PCM III
Page 94 and 95: 2.3 MPEG-1 MPEG-1
Page 96 and 97: MPEG 90khz
Page 98 and 99: MPEG-2 3.1 3.2 3.3 MPEG-2 3.4 MP
Page 100 and 101: 1993 " " DVB MPEG-2 HDTV OFDM M
Page 102 and 103: MPEG-2 720*480 CCIR-601 MPEG-1
Page 104 and 105: MPEG-2 720*480 CCIR-601 MPEG-1
Page 106 and 107: ‣ MPEG2 MPEG2 4:2:2 MPEG
Page 108 and 109: ‣ / MPEG
Page 110 and 111: 3.3 MPEG-2 MPEG-2 MPEG-1 HDTV /
Page 112 and 113: 4 MPEG-2 profile simple main B
Page 114 and 115: ‣ Main Profile at Main level MP@M
Page 116 and 117: ‣ Main Profile at high level MP@
Page 118 and 119: ‣ DCT ‣ downsample (upsample
Page 120 and 121: HDTV
Page 122 and 123: ‣ MPEG-1(ISO/IEC1172) 1.5Mbps, V
Page 124 and 125: MPEG-1 CPB(Constraned Parameters B
Page 126 and 127: ‣ MPEG-2 MPEG-11-31 0.5-56 ‣
Page 128 and 129: ‣ EOB MPEG-1EOB 2 3 4 MPEG-2 I E
Page 130 and 131: MPEG-4 4.1 MPEG-4 4.2 MPEG-4 4.3 M
Page 132 and 133: 2) MPEG-1 MPEG-2 DCT Huffman MPE
Page 134 and 135: 3C MPEG-1 MPEG-2 "" "" " "
Page 136 and 137: 4.2 MPEG-4 64kbps
Page 138 and 139: • • MPEG-4 / / •
Page 140 and 141: 4.4 MPEG-4 MPEG-4 2D3D ( )
Page 144 and 145: VLBV (a) (b) FF/FR( / ) MPEG-4
Page 146 and 147: MPEG-4 Contentbased
Page 148 and 149: VOP(Video Object Plane: )
Page 150 and 151: VOP(Video Object Plane) VOP VO(Vid
Page 152 and 153: H.261 MPEG-1/MPEG-2 VOPMPEG-4
Page 154 and 155: VOP 1616 (Macroblock) VOP VOP
Page 156 and 157: VOP VOP (88 ) - VOP (Intra)
Page 158 and 159: ( )
Page 160 and 161: MPEG-4 1616 88 VOPMPEG-4 (Image
Page 162 and 163: I-VOP B-VOP P-VOP
Page 164 and 165: B-VOP P-VOP VOP 128 SADCT(Shape-a
Page 166 and 167: B-VOP P-VOP VOP 128 SADCT(Shape-a
Page 168 and 169: 4.6 MPEG-4 3C 19991 ( ISO/IEC
Page 170 and 171: -- MPEG-4
Page 172 and 173: MPEG-4 MPEG-4 MPEG MPEG-7 Multim
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